| Term | Definition |
| flower, leaf, stem, root | parts of a plant |
| roots | holds the plant in the ground; takes in water and minerals from the soil |
| air, water, sunlight | plants need to make food and grow |
| habitat | place where animals, plants and people live |
| leaf | place where plants make food; also changes carbon dioxide into oxygen |
| seed | has a tiny plant and food in it |
| bud | new part of a plant that may become a leaf, stem or flower |
| plants in cold habitats | small and grow near the ground |
| desert | dry habitat |
| oceans, rivers, lakes | wet habitats |
| lily pad | plant that grows in a wet habitat |
| flower | attracts insects and makes seeds |
| stem | holds up the plant; carries water and minerals from the root to the rest of the plant |
| embryo | baby plant inside the seed |
| simple and compound | types of leaves |
| cotyledon | the rest of the seed besides the embryo; first leaf of the seed |
| seed coat | thin coat that protects the seed |
| wind, water, birds, animals, humans | ways seeds travel |
| cactus | plant that grows in a dry habitat |
| green leaves | only leaves that can make food |
| lettuce, spinach, cabbage, turnip greens | leaves we eat |
| plants in wet habitats | roots go down to the bottom of the water; stem grows on top of the water |
| plants in dry habitats | can survive without much water or they can hold water |
| brown leaves | leaves that cannot make food |